article: Do You Want To Be A Musician?
  Do you want to be a musician? Come to our club, and you'll be very happy in the club. We have _ about the piano, the drums, the bamboo flute,the trumpet, the guitar and the violin for just $20 each.You can also learn to sing , to dance for $25 each. If you like art, you can be satisfied , too. It's just for $30 each!
question: If you want to learn about guitar and singing, you should pay  _  .
options: $45 $20 $30 $25